The red pigment also has antibacterial properties, which work to protect the hippo from certain pathogens and accelerate its recovery from wounds. River horse. The hippopotamus-or river horse - is a belligerent creature, which puzzled the ancient Greeks by apparently sweating blood. In fact, the thick red substance, which oozes from glands all over its skin, is one of the hippo's many ingenious survival tools.
A gastrografin enema is an X-ray of the large intestine that includes the colon and rectum. It is used to diagnose problems such as obstructions and perforations in the bowel.
Ghrelin (pronounced GREL-in), the hunger hormone, also known as lenomorelin (INN), is a peptide hormone produced by ghrelinergic cells in the gastrointestinal tract which functions as a neuropeptide in the central nervous system.hrelin is encoded by the GHRL gene and is presumably produced from the cleavage of the prepropeptide ghrelin/obestatin. Full-length preproghrelin is homologous to promotilin and both are members of the motilin family.